/Engine/Plugins/MeshPainting/Source/MeshPaintingToolset/Public/MeshPaintGeometryCollectionAdapter.h
Retrieves a list of textures which are suitable for painting
virtual void QueryPaintableTextures ( int32 MaterialIndex, int32 & OutDefaultIndex, [TArray](API\Runtime\Core\Containers\TArray)< struct [FPaintableTexture](API\Editor\MeshPaint\FPaintableTexture) > & InOutTextureList )